5results about How to "No radiation" patented technology

The application discloses a kind of landing gear inner tube surface scratch weak magnetic flaw evaluation method, its evaluation method includes the following steps: first need to carry out surface cleaning pretreatment to landing gear inner tube to be measured, and in the condition without additional excitation magnetic field, using geomagnetic field as natural excitation source, geomagnetic field environment calibration is carried out to landing gear inner tube surface, establishes background magnetic field baseline, according to the outer diameter size and surface curvature radius R of landing gear inner tube.The application adopts flexible carrier to carry multiple sensors, and good adhesion of sensor and inner tube surface is realized by adaptive layout mode, effectively overcome the influence of landing gear inner tube cylindrical surface curvature on detection signal consistency, improve the repeatability and reliability of detection, adopt the adaptive noise suppression method based on wavelet threshold, can retain weak scratch magnetic leakage signal characteristics while effectively filtering geomagnetic background noise and circuit noise, compared with traditional filtering method has better signal fidelity.

The utility model provides a heat digestion treatment device for element form valence state change, including casing, digestion pool, buffer pool, reaction pipeline, circulating pipeline, liquid circulating device and heating device, and is provided with oil containing cavity in digestion pool and buffer pool, and heating device is installed in oil containing cavity, and liquid circulating device is connected on any circulating pipeline for driving liquid circulation flow between digestion pool and buffer pool. Through setting up oil containing cavity to contain heat conducting oil, heat conducting oil is used as heat transfer medium to heat reaction pipeline, improves the temperature of heating, and has strong digestion capacity, on the other hand, sets up buffer pool and communicates buffer pool with digestion pool through circulating pipeline, and liquid circulating device drives heat conducting oil circulation flow between buffer pool and digestion pool, thereby makes heat conducting oil heating temperature rise more stable.

This utility model provides an atmospheric pressure high-efficiency electrode boiler system, which includes an electric heating tank, an electric heating electrode disposed on the electric heating tank, and an external heat exchange system connected to the electric heating tank; the electric heating tank is filled with high-carbon molecular heating oil; the electric heating tank is provided with a reaction additive addition port; the electric heating electrode is inserted into the high-carbon molecular heating oil; the external heat exchange system includes a first circulation pump connected to the electric heating tank and a heat exchanger connected to the outlet of the first circulation pump; the heat exchanger is connected to the load side; the inlet of the first circulation pump is connected to the outlet of the electric heating tank; the outlet of the first circulation pump is connected to the heat source side inlet of the heat exchanger; the heat source side outlet of the heat exchanger is connected to the inlet of the electric heating tank. This utility model has the characteristics of low manufacturing cost, stable, safe and energy-saving system.

The utility model discloses an electromagnetic shielding plug-in card case, and relates to the technical field of electronic equipment cases, the electromagnetic shielding plug-in card case comprises a case body and a shielding panel used for sealing, the front part of the case body is oppositely provided with two flange modules, and the flange modules adopt a structure integrated with a handle. The shielding panel is fixedly installed on the rear portion of the case body, a PCB back plate and a plurality of DIN sockets are arranged in the case body, the DIN sockets are welded on the PCB back plate in an equidistant array mode, and the PCB back plate is fixedly connected with the upper cross beam and the lower cross beam. According to the utility model, the structure is simple, the shielding panel and the PCB back plate in the case are convenient to disassemble and assemble, the two shielding reeds are clamped at the two ports of the shielding panel, and the two shielding cloths are oppositely arranged on the inner side of the shielding panel, so that electromagnetic signals outside the case are effectively shielded at the seam of the shielding panel and the case body, and radiation to an internal circuit is avoided; signal transmission between electrical parts in the case is facilitated, and the anti-interference capability is high.

The invention relates to scoliosis screening, in particular to millimeter wave scoliosis screening equipment self-adaptive to the height of a human body and a working method thereof.The equipment base is fixedly provided with a lifting lead screw mechanism, the front side of the lifting lead screw mechanism is fixedly provided with a millimeter wave assembly, and a platform is used for detecting whether the standing posture of a to-be-detected person meets the requirement or not; after the movable case judges that the standing posture of the to-be-detected person meets the requirement, the height and back data of the to-be-detected person are collected through the optical camera, and the millimeter wave assembly is driven to be adjusted to the corresponding back position by driving the lifting lead screw mechanism. The millimeter wave assembly is driven by the movable case to emit millimeter wave signals to the back position, receive echo signals and send the echo signals back to the movable case, and the movable case generates millimeter wave images according to the echo signals and carries out scoliosis analysis; according to the method, the defects that radiation hazards exist, large-scale screening is difficult to carry out, and the screening efficiency and accuracy are low can be overcome.